Bubble flow in a static magnetic field

Das, Subrat, Weerasiri, Lanka Dinushke and Jegatheesan, Veeriah 2015, Bubble flow in a static magnetic field, in TMS 2015 : Proceedings of the 144th Minerals, Metals and Materials Society Annual Meeting, Wiley, London, Eng., pp. 789-793.

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Title Bubble flow in a static magnetic field
Author(s) Das, Subrat
Weerasiri, Lanka Dinushke
Jegatheesan, Veeriah
Conference name Minerals, Metals and Materials Society. Annual Meeting (144th : 2015 : Orlando, Florida)
Conference location Orlando, Florida
Conference dates 15-19 Mar. 2015
Title of proceedings TMS 2015 : Proceedings of the 144th Minerals, Metals and Materials Society Annual Meeting
Editor(s) Hyland, Margaret
Publication date 2015
Start page 789
End page 793
Total pages 5
Publisher Wiley
Place of publication London, Eng.
Summary A lab-based electrolytic-cell is designed to analyze the effect of external magnetic field on bubble evolution underneath an anode surface. Buckingham Pi theorem is used to provide a complete list of dimensionless parameters for a typical cell configuration. There is an increase in bubble size and the number of bubbles with time. The hydrodynamic convection is apparent due to the effect of electrolyte flow caused by swarm of bubbles rising along the anode surface. The image sequence shows that swarm of bubbles exhibit a swirling flow-field in the presence of the magnetic field. The coalescence process intensifies in an area where magnetic field is higher. As a consequence, bubbles are swept away by the magneto-hydrodynamic (MHD) convection. These results suggest that a magnetic field causes remarkable improvement on the surface coverage of the anode.
ISBN 9781119082446
ISSN 0147-0809
Language eng
Field of Research 0306 Physical Chemistry (Incl. Structural)
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2015, Wiley
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083169

Document type: Conference Paper
Collection: School of Engineering
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